Perhaps you should try some spelling variations:
"co dau chieu snippets" » "co dau code snippets", "co da chieu snippets", "co dao chieu snippets", "co dao hieu snippets", "co dan chieu snippets", "co cau chieu snippets", "co dai chieu snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("co dau chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"co dau chieu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( co dau chieu snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co dau chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.